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Rather than act as a simple accelerator programme offering funding for companies to grow, Future Fifty aims to provide access to expert guidance on how firms can accelerate their growth, as well as seek new finance and recruit skilled staff.

The 15 new companies were selected by a judging panel, which deemed them to have potential for rapid expansion on a global level.

Deliveroo, the London-based provider of a digital platform that allows the rapid delivery of food to homes and businesses, was one of the standout companies in the new intake.

Others included Buddi, a hardware and software company that provides systems to remotely monitor health and safety, and Yieldify, which offers an e-commerce service to predict when visitors are about to leave an online store and send them a tailored message in a bid to turn them into customers.

They are joined by Powa Technologies, Brandwatch, Lost My Name, Crowdcube, FundApps, Iwoca, LoopUp, MWR InfoSecurity, NewVoiceMedia, Peak, Space Ape Games and The Floow.

Sara Murray, chief executive and founder of Buddi, and formerly of Confused.com, told V3 that her company is excited to be joining a programme that has a record of supporting high-growth British businesses like Hailo and Shazam.

"We Brits are an innovative bunch and I think the Future Fifty programme will help to ensure our digital economy becomes increasingly competitive in a global marketplace," she said.

Tech City UK said that the Future Fifty programme has a strong record of nurturing UK companies, and has helped startups raise a total of £791m and have a presence in 170 countries since its inception in 2013.

Tech City UK chief executive Gerard Grech championed the variety of digital companies to which the UK currently plays host.

"In a rich and varied marketplace, these entrepreneurs are united by global ambition and enormous potential. The digital businesses joining the Future Fifty programme are a window into the future of the digital economy."